Firm Zeta is evaluating 2 possible, mutually exclusive capital projects. Project A calls for replacing old servers with new, faster computers. Project B calls for expansion into a new market. One way to account for the different risk levels of these 2 projects is to: O Assign Project A a 5% discount rate, assign project B a 10% rate, and and compare their NPV's Assign the same discount rates, but different probabilities to the 2 projects Assign Project A a 10% discount rate, assign project B a 5% rate. and and compare their NPV's Run IRR and compare that for the 2 projects